Only 768-P3-1360-XX and 01G-P3-1371-XX parts are eligible for the speed gain, while the fan tweak applies to those as well as 768-P3-1362-XX and 01G-P3-1373 cards. The latter two ship factory overclocked at 763/1526MHz if you're wondering why they didn't get a boost. To update: download the proper file below, extract the contents, close open programs, run update.exe, tap Y to begin, reboot once complete, and reinstall your GPU drivers.